/*
 * $Id: ExtensionElementMapping.java,v 1.2 2005/03/09 13:32:57 alan13 Exp $
 * ============================================================================
 *                    The Apache Software License, Version 1.1
 * ============================================================================
 * 
 * Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modifica-
 * tion, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 
 * 3. The end-user documentation included with the redistribution, if any, must
 *    include the following acknowledgment: "This product includes software
 *    developed by the Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself, if
 *    and wherever such third-party acknowledgments normally appear.
 * 
 * 4. The names "FOP" and "Apache Software Foundation" must not be used to
 *    endorse or promote products derived from this software without prior
 *    written permission. For written permission, please contact
 *    apache@apache.org.
 * 
 * 5. Products derived from this software may not be called "Apache", nor may
 *    "Apache" appear in their name, without prior written permission of the
 *    Apache Software Foundation.
 * 
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
 * DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * ============================================================================
 * 
 * This software consists of voluntary contributions made by many individuals
 * on behalf of the Apache Software Foundation and was originally created by
 * James Tauber <jtauber@jtauber.com>. For more information on the Apache
 * Software Foundation, please see <http://www.apache.org/>.
 */ 
package org.apache.fop.extensions;

import org.apache.fop.fo.ElementMapping;
import org.apache.fop.fo.TreeBuilder;
import org.apache.fop.fo.properties.ExtensionPropertyMapping;

import java.util.HashMap;
import java.util.Iterator;

public class ExtensionElementMapping implements ElementMapping {

    public static final String URI = "http://xml.apache.org/fop/extensions";

    private static HashMap foObjs = null;

    private static synchronized void setupExt() {
        if(foObjs == null) {
            foObjs = new HashMap();    
            foObjs.put("outline", Outline.maker());
            foObjs.put("label", Label.maker());
            foObjs.put("continued-label", ContinuedLabel.maker());
            foObjs.put("destination", Destination.maker());
        }
    }

    public void addToBuilder(TreeBuilder builder) {
        setupExt();
        builder.addMapping(URI, foObjs);


        builder.addPropertyList(ExtensionElementMapping.URI,
                                ExtensionPropertyMapping.getGenericMappings());
        /* Add any element mappings */
        for (Iterator iter = ExtensionPropertyMapping.getElementMappings().iterator();
                iter.hasNext(); ) {
            String elem = (String)iter.next();
            builder.addElementPropertyList(ExtensionElementMapping.URI, elem,
                                           ExtensionPropertyMapping.getElementMapping(elem));
        }
    }

}

